Home / 80,585,218.58-120,833,504.66-55,055,055.38

Finding the Fourth Proportional to 80,585,218.58, 120,833,504.66 and 55,055,055.38

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Solution

The fourth proportional to 80,585,218.58, 120,833,504.66 and 55,055,055.38 is: 82,552,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585,218.58 : 120,833,504.66 = 55,055,055.38 : x
  2. Step 2: Convert to fraction form
    80,585,218.58/120,833,504.66 = 55,055,055.38/x
  3. Step 3: Cross multiply
    80,585,218.58x = 120,833,504.66 × 55,055,055.38
  4. Step 4: Simplify right side
    80,585,218.58x = 6,652,495,290,349,258
  5. Step 5: Solve for x
    x = 6,652,495,290,349,258/80,585,218.58
  6. Step 6: Final answer
    x = 82,552,301.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.